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PVES Week 5

Oceans

QuestionAnswer
What is the amount of salt in the water? salinity
What are the three parts of the ocean floor that are located near the coast? continental shelf, continental slope, continental rise
Which part of the ocean floor is located closest to the coast? continental shelf
What is the steep drop from the continental shelf to the ocean floor? continental slope
What is the slope of sediment that is located at the bottom of the continental slope? continental rise
What part of the ocean floor is flat and located deep within the ocean? abyssal plain
A break in the ocean floor is known as a- an ocean trench
what three things cover the continental shelf, slope and rise? sand, mud, rocks
What percent of the Earth is covered b oceans? 70%
Where would find the lowest level of salinity in the ocean? Where a river enters the ocean
What are the three basic motions of the ocean? waves, tides, ocean currents
A ___________ is a river of water that runs through the ocean. an ocean current
What is the rise and fall of the ocean's surface level? tide
Ocean ______________ are affected by the moon's gravity? tides
A ______________ is a pattern caused by vibration. wave
Ocean currents can affect? navigation routes, plant/ animal life/ mixing of ocean water
What two things act together to create ocean currents? wind patterns / differences in water densities
What happens to water pressure as you increase depth increases
What happens to the amount of light as you increase ocean depth? decreases
What produces most of the Earth's oxygen supply? phytoplankton
What three things affect plant and animal life of the ocean? temperature, water pressure, amount of light
What would be the considered the "base" of the ocean's ecosystem? phytoplankton
Ocean water has to be _______________in order to survive. rich in nutrients
Ocean trenches are ___________ and the continental shelf is __________. deep/ shallow
Free floating organisms that live in the ocean water are? plankton
Animal like plankton is? zooplankton
Plant like plankton is? phytoplankton
Created by: pves